Huawei Mate Xs User Manual page 159

Ultra Power Saving mode strictly controls background apps to ensure that your phone can
•
stay on for as long as possible. In this mode, you will only be able to use selected apps, and
all system switches, except for Wi-Fi and mobile data, will be turned off.
On the Battery screen, select a power saving mode:
When the battery level is extremely low, enable Ultra Power Saving mode. Your phone will
•
then display a black home screen.
To add apps you wish to use in Ultra Power Saving mode, touch
from the list. You can touch
to exit Ultra Power Saving mode.
When the battery level is not extremely low, but you would still like to save power, enable
•
Power Saving mode. The
Ultra Power Saving mode is not available on some devices. If this option is not
displayed, it indicates that your device does not support the feature.
Enable Performance Mode
Performance mode adjusts the power settings of your phone to deliver maximum
performance. This will cause the battery to drain more quickly, especially when graphic-
intensive apps are used.
When the battery has sufficient power, go to Settings > Battery (or Optimizer >
enable Performance mode.
A icon will then be displayed in the status bar.
Performance mode is available on selected devices only. If the Performance mode
option is not displayed in Optimizer, it indicates that your device does not support the
feature.
Enable Smart Charge
Smart Charge learns from your charging habits and manages the charging process
intelligently. This feature reduces the battery wear level and prolongs the battery life by
reducing the time your device spends fully charged. It is advised that you keep this feature
enabled.
For example, if you are used to charging your devices overnight or for an extended period of
time, Smart Charge will pause the charging when the battery capacity reaches a certain level.
Before you get up in the morning, Smart Charge will resume charging until your device is
fully charged. This reduces the time your device spends fully charged to slow down battery
wear and prolong the battery life.
Data about your charging habits will only be used on your device and will not be backed
up or uploaded to the cloud.
to remove the apps or touch
icon will then be displayed in the status bar.
Settings
and select the apps
in the upper right corner
) and
155